<template>
    <div>
     <!-- 面包屑导航 -->
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
    <!-- 卡片视图 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容"  v-model="queryInfo.query" clearable @clear="getGoodsList">     
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addPage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- 表格区域 -->
            <el-table :data="goodsList" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default{
    data(){
        return {
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            goodsList:[],
            // 总数据条数
            total:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 根据分页获取对应商品列表
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
            // console.log(res.meta.status);
            if(res.meta.status !== 200){
            return this.$message.error('获取商品列表失败!')
            }
            this.goodsList = res.data.goods
            this.total = res.data.total
            this.$message.success('获取商品列表成功')
        },
        handleSizeChange(newsize){
            this.queryInfo.pagesize = newsize
            this.getGoodsList()
        },
        handleCurrentChange(newpage){
            this.queryInfo.pagenum = newpage
            this.getGoodsList()
        },
        async deleteById(id){
            const confirmresult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err => err)

            console.log(confirmresult);
            if(confirmresult !== 'confirm'){
                return this.$message.info('已经取消删除!')
            }

            const{data:res} = await this.$http.delete(`goods/${id}`)
            console.log(res.meta.status);
            if(res.meta.status !== 200){
                return this.$message.error('删除失败')
            }
            this.$message.success('删除成功')
            this.getGoodsList()
        },
        addPage(){
            // 路由导航对象
            this.$router.push('/goods/add')
        }

       
    }
}
</script>

<style lang="less" scoped>

</style>